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Cub Cadet 521E, Operator'S Manual, Page: 18 / 20

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Cub Cadet 521E Operator'S Manual Download Page 18

18

Model 521E

NOTE: 

For

 painted parts

, please refer to the list of color

codes below. Please add the applicable color code,
wherever needed, to the part number to order a
replacement part. For instance, if a part, numbered 700-
xxxx, is painted Cub Yellow,  the part number to order
would be 700-xxxx-0716.

Cub Yellow: 0716

Cub Beige: 0499

Cub Blue: 0685

Powder Black: 0637

Ref. No.

Part No.

Part Description

1.

629-0236

Extension Cord 

2.

705-5139A

Support Bracket: Gas Tank

3.

710-0157

Hex Screw 5/16-24 x .75” 

4.

710-1003

Special Screw 

5.

710-1652

Self-Tapping Screw

6.

710-3013

Hex Screw 1/4-20 x .50” 

7.

710-3025

Hex Screw 5/16-24 x .625  

8.

726-0152

Mounting Clamp

9.

726-0205

Hose Clamp

10.

731-2113A

Cup

11.

736-0119

Lock Washer

12.

736-0242

Beleville Washer

13.

736-0329

Lock Washer

14.

741-0475

Plastic Bushing

15.

—

Recoil Handle
**Obtain from engine manufacturer

16.

751-0535

Fuel Line Hose

17.

751-0540A

Fuel Tank: 2 Quart

18.

751-0800

Fuel Cap

19.

754-0101A

V-Belt

20.

756-0416B

V-Pulley Half

21.

756-0475

Pulley

3

12

20

7

11

19

21

1

2

13

6

13

6

8

4

15**

18

10

17

5

16

9

14

Summary of Contents for 521E

Page 1: ... unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands A spark a...

Page 2: ... authorized dealer You can locate the model number by standing behind the unit in the operating position and looking down at the dash panel A sample model plate is explained below For future reference please copy the model number and the serial number of the equipment in the space below CALLING CUSTOMER SUPPORT If you have difficulty assembling this product or have any questions regarding the cont...

Page 3: ... or repair to protect your eyes Thrown objects which ricochet can cause serious injury to the eyes 3 Do not operate without wearing adequate winter outer garments Do not wear jewelry long scarves or other loose clothing which could become entangled in moving parts Wear footwear which will improve footing on slippery surfaces 4 Use a grounded three wire extension cord and receptacle for all units w...

Page 4: ...se care and good judgment Contact your dealer or telephone 1 800 528 1009 for assistance and the name of your nearest servicing dealer Maintenance Storage 1 Never tamper with safety devices Check their proper operation regularly 2 Disengage all clutch levers and stop engine Wait until the auger impeller come to a complete stop Disconnect the spark plug wire and ground against the engine to prevent...

Page 5: ... Assembly WARNING Disconnect the spark plug wire and ground it against the engine to prevent unintended starting Raising Upper Handle Loosen the hand knob on each side of the handle Remove packing material if any Figure 3 Raise the upper handle in the direction shown in Figure 3 till it clicks into the operating position Make sure not to pinch or crimp the cable Tighten the hand knobs Attaching Co...

Page 6: ... thrower See Figure 6 Rotate the crank to align holes and insert the cotter pin Bend ends of cotter pin in opposite directions to secure See Figure 6 Figure 6 Secure eyebolt with 5 16 saddle washer and hex nut The cupped side of washer goes against the handle Adjust lower hex nut until the eyebolt is positioned so that the chute crank turns freely does not bind Move upper hex nut down against the ...

Page 7: ...dle the auger control handle is used to engage and disengage the augers The snow thrower is designed to be propelled by the rotation of the augers Pull the control handle back against the upper handle to engage the augers release to disengage Chute Crank Located on right side of dash panel the chute crank determines the direction that snow will be discharged Turn clockwise to discharge snow to the...

Page 8: ...uctions carefully prior to operating the electric starter Determine that your house wiring is a three wire grounded system Ask a licensed electrician if you are not certain If your house wiring system is not a three wire grounded system do not use this electric starter under any conditions If your home electrical system is grounded but a three hole receptacle is not available one should be install...

Page 9: ...Figure 12 The wheels shave plate and augers should all contact level surface Note that if the shave plate is adjusted too high snow may blow under the housing If the shave plate wears out excessively or the unit will not self propel the shave plate may be adjusted too low NOTE On new units or units with a new shave plate installed the augers may be slightly off the ground Figure 12 To adjust tip t...

Page 10: ... any maintenance The warranty on this snow thrower does not cover items that have been subjected to operator abuse or negligence To receive full value from the warranty operator must maintain the snow thrower as instructed in this manual Changing of engine governed speed will void engine warranty Some adjustments will have to be made periodically to maintain your unit properly All adjustments in t...

Page 11: ... Reinstall the belt cover Figure 17 Engine Refer to the separate engine operator s manual packed with your snow thrower for all engine maintenance procedures Check engine and snow thrower frequently for loose hardware and tighten as needed Lubrication Lubricate pivot points on the control handle and the extension spring at the end of the clutch cable with a light oil once every season and before s...

Page 12: ...rheats 1 Gasoline and oil not mixed correctly 2 Carburetor out of adjustment 1 Drain fuel tank and refill with proper fuel mixture 2 Refer to engine manual Loss of power 1 Spark plug wire loose 2 Vent in gas cap plugged 3 Exhaust port plugged 1 Connect and tighten spark plug wire 2 Clear vent 3 Clean port Excessive vibration 1 Loose parts or damaged auger 1 Stop engine immediately and disconnect s...

Page 13: ...able Housing w o Throttle 9 747 0956 Auger Bail Gull Wing 10 749 0711A Upper Handle Gull Wing 5 9 10 7 4 8 3 6 2 7 4 1 NOTE For painted parts please refer to the list of color codes below Please add the applicable color code wherever needed to the part number to order a replacement part For instance if a part numbered 700 xxxx is painted Cub Yellow the part number to order would be 700 xxxx 0716 C...

Page 14: ...14 Model 521E 7 22 10 46 37 31 34 13 21 38 3 30 35 6 27 39 40 1 20 14 6 35 30 6 5 28 25 45 42 13 44 7 22 33 9 17 18 15 4 2 11 26 19 26 16 32 23 12 36 41 8 ...

Page 15: ...9 Lock Washer 30 741 0600 Ball Bearing 31 746 0910A Cable Clutch 32 748 0234 Spacer 33 749 0796 Handle Lower 34 756 0313 Flat Idler 35 784 5174 Bearing Cup 36 784 5176 Cover Belt 37 784 5175B Idler Brake Bracket 38 684 0114 Blower Housing 39 784 5485 Auger Ass y Comp 40 753 0613 Auger Rubber Replacement 41 710 0352 Hex Washer Screw 42 784 5720 Crank Bracket 43 710 0451 Cap Screw 44 736 0242 Bell W...

Page 16: ...16 Model 521E 5 3 5 20 29 22 16 7 4 6 23 8 9 27 2 10 28 26 21 7 25 7 13 15 14 19 18 24 11 17 ...

Page 17: ...5 1425 Switch Key Recoil Start 17 726 0100 Push Cap 18 731 1089A Choke Cover 19 731 1133B Spilling Cup 20 731 2109 Shroud 21 Beige 21 735 0234 Rubber Grommet 22 736 0119 Lock Washer 23 736 0185 Flat Washer 24 736 0225 Internal Lock Washer 25 736 0451 Saddle Washer 26 747 0697 Eyebolt 27 747 0737 Upper Chute Crank 28 750 0785 Spacer 29 7510009636 Mitten Grip Handle NOTE For painted parts please ref...

Page 18: ...2 705 5139A Support Bracket Gas Tank 3 710 0157 Hex Screw 5 16 24 x 75 4 710 1003 Special Screw 5 710 1652 Self Tapping Screw 6 710 3013 Hex Screw 1 4 20 x 50 7 710 3025 Hex Screw 5 16 24 x 625 8 726 0152 Mounting Clamp 9 726 0205 Hose Clamp 10 731 2113A Cup 11 736 0119 Lock Washer 12 736 0242 Beleville Washer 13 736 0329 Lock Washer 14 741 0475 Plastic Bushing 15 Recoil Handle Obtain from engine ...

Page 19: ...19 Model 521E ...

Page 20: ...adet equipment used commercially is warranted for one year only Commercial use is defined as either having hired operators or used for income producing purposes Items not covered The warranty does not cover routine maintenance items such as lubricants filters oil fuel air and hydraulic cleaning tune ups brake and or clutch inspection adjustments made as part of normal maintenance blade sharpening ...

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